Production of foamed resins

1,148,119. Foamed thermoplastic resins. MONSANTO CHEMICALS Ltd. 20 Oct., 1967 [9 Dec., 1966], No. 55125/66. Headings C3C and C3P. A foamed thermoplastic resin is produced by extruding a heat-softened foamable thermoplastic resin containing a blowing agent (which is a volatile liquid or a gas) under...

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1. Verfasser:	DURGACHARAN SEN
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Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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description	1,148,119. Foamed thermoplastic resins. MONSANTO CHEMICALS Ltd. 20 Oct., 1967 [9 Dec., 1966], No. 55125/66. Headings C3C and C3P. A foamed thermoplastic resin is produced by extruding a heat-softened foamable thermoplastic resin containing a blowing agent (which is a volatile liquid or a gas) under pressure and a nucleating agent comprising a salt of a C 1-16 aliphatic carboxylic acid into a zone of lower pressure to allow foaming of the resin. The resin may be polyethylene or a copolymer of ethylene and vinyl acetate. The salt may be sodium, calcium, magnesium, aluminium, barium, lead or zinc palmitate, formate, acetate, butyrate, or lactate and may be used with silica, boric acid, a wax or talc as additional nucleating agents. The blowing agent may be butane or nitrogen. The resin may be formed into a foamed film.
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A foamed thermoplastic resin is produced by extruding a heat-softened foamable thermoplastic resin containing a blowing agent (which is a volatile liquid or a gas) under pressure and a nucleating agent comprising a salt of a C 1-16 aliphatic carboxylic acid into a zone of lower pressure to allow foaming of the resin. The resin may be polyethylene or a copolymer of ethylene and vinyl acetate. The salt may be sodium, calcium, magnesium, aluminium, barium, lead or zinc palmitate, formate, acetate, butyrate, or lactate and may be used with silica, boric acid, a wax or talc as additional nucleating agents. The blowing agent may be butane or nitrogen. 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Foamed thermoplastic resins. MONSANTO CHEMICALS Ltd. 20 Oct., 1967 [9 Dec., 1966], No. 55125/66. Headings C3C and C3P. A foamed thermoplastic resin is produced by extruding a heat-softened foamable thermoplastic resin containing a blowing agent (which is a volatile liquid or a gas) under pressure and a nucleating agent comprising a salt of a C 1-16 aliphatic carboxylic acid into a zone of lower pressure to allow foaming of the resin. The resin may be polyethylene or a copolymer of ethylene and vinyl acetate. The salt may be sodium, calcium, magnesium, aluminium, barium, lead or zinc palmitate, formate, acetate, butyrate, or lactate and may be used with silica, boric acid, a wax or talc as additional nucleating agents. The blowing agent may be butane or nitrogen. 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Foamed thermoplastic resins. MONSANTO CHEMICALS Ltd. 20 Oct., 1967 [9 Dec., 1966], No. 55125/66. Headings C3C and C3P. A foamed thermoplastic resin is produced by extruding a heat-softened foamable thermoplastic resin containing a blowing agent (which is a volatile liquid or a gas) under pressure and a nucleating agent comprising a salt of a C 1-16 aliphatic carboxylic acid into a zone of lower pressure to allow foaming of the resin. The resin may be polyethylene or a copolymer of ethylene and vinyl acetate. The salt may be sodium, calcium, magnesium, aluminium, barium, lead or zinc palmitate, formate, acetate, butyrate, or lactate and may be used with silica, boric acid, a wax or talc as additional nucleating agents. The blowing agent may be butane or nitrogen. The resin may be formed into a foamed film.</abstract><oa>free_for_read</oa></addata></record>
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subjects	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
title	Production of foamed resins
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